1023031212 has 72 divisors (see below), whose sum is σ = 2922978240. Its totient is φ = 276907680.

The previous prime is 1023031211. The next prime is 1023031213. The reversal of 1023031212 is 2121303201.

It is an interprime number because it is at equal distance from previous prime (1023031211) and next prime (1023031213).

It is a junction number, because it is equal to n+sod(n) for n = 1023031191 and 1023031200.

It is not an unprimeable number, because it can be changed into a prime (1023031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34614 + ... + 56957.

It is an arithmetic number, because the mean of its divisors is an integer number (40596920).

Almost surely, 2^1023031212 is an apocalyptic number.

1023031212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023031212 is an abundant number, since it is smaller than the sum of its proper divisors (1899947028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023031212 is a wasteful number, since it uses less digits than its factorization.

1023031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91611 (or 91602 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1023031212 is about 31984.8591055205. The cubic root of 1023031212 is about 1007.6188759772.

Adding to 1023031212 its reverse (2121303201), we get a palindrome (3144334413).

The spelling of 1023031212 in words is "one billion, twenty-three million, thirty-one thousand, two hundred twelve".